FEATURES

ROM Size

· 1,024 bytes

RAM Size

· 32 nibbles

Instruction Set

· 39 instructions

Instruction Cycle Time

· 13.2 msec at fxx = 455 kHz

Input Ports

· Two 4-bit ports (24 pins)/one 4-bit, Five1-bit

ports (20 pins)

Output Ports

· One 4-bit, Seven 1-bit ports (24pins)/One 4-bit,

Five 1-bit ports (20 pins)

Built-in Oscillator

· Crystal/Ceramic resonator

Built-in Reset Circuit

· Power-on reset and auto reset circuit for

generating reset pulse every 13.1072/fxx (288

ms at fxx = 455 kHz)

Four Transmission Frequencies

· fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2

duty), and no-carrier frequency

Built-in Transistor for I.R.LED Drive

· IOL1: 210 ma (typical) at VDD = 3V and

VO = 0.4V

Supply Voltage

· 1.8 V-3.6 V (250 kHz £ fOSC £ 3.9 MHz)

2.2 V-3.6 V (3.9 MHz < fOSC £ 6 MHz)

Power Consumption

· Halt mode: 1 mA (maxium)

· Normal mode: 0.5 mA (typical)

Operating temperature

· - 20 °C to 85 °C

Package Type

· 24 SOP, 20 DIP, 20 SOP

Oscillator Frequency divide select

· Mask Option = fxx fOSC or fOSC/8